SerialPort.ReceivedBytesThreshold Property

Gets or sets the number of bytes in the internal input buffer before a DataReceived event occurs.

Namespace:  System.IO.Ports
Assembly:  System (in System.dll)

'Declaration
<BrowsableAttribute(True)> _
<MonitoringDescriptionAttribute("ReceivedBytesThreshold")> _
Public Property ReceivedBytesThreshold As Integer

Property Value

Type: System.Int32
The number of bytes in the internal input buffer before a DataReceived event is fired. The default is 1.

ExceptionCondition
ArgumentOutOfRangeException

The ReceivedBytesThreshold value is less than or equal to zero.

The DataReceived event is also raised if an Eof character is received, regardless of the number of bytes in the internal input buffer and the value of the ReceivedBytesThreshold property.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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